Nikko Volcano | John Seach

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Volcano Islands, Japan

23.07 N, 142.30 E
summit elevation -391 m
submarine volcano

Nikko is a large underwater volcano in the volcano islands, Japan.

Further Reading
Matsumoto, S. and Hasegawa, A., 1996. Distinct S wave reflector in the midcrust beneath Nikko-Shirane volcano in the northeastern Japan arc. Journal of Geophysical Research: Solid Earth, 101(B2), pp.3067-3083.

Nikko Volcano Eruptions

Discoloured water was observed above the volcano yearly from 1979-1990